<template>
<div class='wrapper'>
  <swiper :options='swiperOption' v-if="showSwiper">
  <swiper-slide v-for='item of list' :key="item.id">
    <img class='swiper-img' :src='item.imgUrl' />
  </swiper-slide>
  <div class='swiper-pagination' slot='pagination'>
  </div>
  </swiper>
</div>
</template>
<script>
export default {
  name: 'HomeSwiper',
  props: {
    list: Array
  },
  data () {
    return {
      swiperOption: {
        pagination: '.swiper-pagination',
        loop: true
      }
    }
  },
  computed: {
    showSwiper() {
      return this.list.length
    }
  }
}
</script>
<style lang="stylus" scoped>
  .wrapper >>> .swiper-pagination-bullet-active
    background: #fff
  .wrapper
    overflow: hidden
    width: 100%
    height: 0
    padding-bottom: 31.25%
    background: #eee
    .swiper-img
      width: 100%
</style>
